| Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 1 | # arch/arm/plat-s3c/Kconfig |
| 2 | # |
| 3 | # Copyright 2007 Simtec Electronics |
| 4 | # |
| 5 | # Licensed under GPLv2 |
| 6 | |
| 7 | config PLAT_S3C |
| 8 | bool |
| 9 | depends on ARCH_S3C2410 |
| 10 | default y if ARCH_S3C2410 |
| 11 | select NO_IOPORT |
| 12 | help |
| 13 | Base platform code for any Samsung S3C device |
| 14 | |
| Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 15 | # low-level serial option nodes |
| 16 | |
| 17 | config CPU_LLSERIAL_S3C2410_ONLY |
| 18 | bool |
| 19 | depends on ARCH_S3C2410 |
| 20 | default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440 |
| 21 | |
| 22 | config CPU_LLSERIAL_S3C2440_ONLY |
| 23 | bool |
| 24 | depends on ARCH_S3C2410 |
| 25 | default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410 |
| 26 | |
| 27 | config CPU_LLSERIAL_S3C2410 |
| 28 | bool |
| 29 | depends on ARCH_S3C2410 |
| 30 | help |
| 31 | Selected if there is an S3C2410 (or register compatible) serial |
| 32 | low-level implementation needed |
| 33 | |
| 34 | config CPU_LLSERIAL_S3C2440 |
| 35 | bool |
| 36 | depends on ARCH_S3C2410 |
| 37 | help |
| 38 | Selected if there is an S3C2440 (or register compatible) serial |
| 39 | low-level implementation needed |
| 40 | |
| 41 | # boot configurations |
| 42 | |
| Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 43 | comment "Boot options" |
| 44 | |
| Ben Dooks | a45f826 | 2007-07-22 16:16:51 +0100 | [diff] [blame] | 45 | config S3C_BOOT_WATCHDOG |
| 46 | bool "S3C Initialisation watchdog" |
| Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 47 | depends on PLAT_S3C && S3C2410_WATCHDOG |
| 48 | help |
| 49 | Say y to enable the watchdog during the kernel decompression |
| 50 | stage. If the kernel fails to uncompress, then the watchdog |
| 51 | will trigger a reset and the system should restart. |
| 52 | |
| Ben Dooks | a45f826 | 2007-07-22 16:16:51 +0100 | [diff] [blame] | 53 | config S3C_BOOT_ERROR_RESET |
| 54 | bool "S3C Reboot on decompression error" |
| Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 55 | depends on PLAT_S3C |
| 56 | help |
| 57 | Say y here to use the watchdog to reset the system if the |
| 58 | kernel decompressor detects an error during decompression. |
| 59 | |
| Ben Dooks | e7aa6f4 | 2008-12-02 19:34:52 +0000 | [diff] [blame^] | 60 | config S3C_BOOT_UART_FORCE_FIFO |
| 61 | bool "Force UART FIFO on during boot process" |
| 62 | depends on PLAT_S3C |
| 63 | default y |
| 64 | help |
| 65 | Say Y here to force the UART FIFOs on during the kernel |
| 66 | uncompressor |
| 67 | |
| Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 68 | comment "Power management" |
| 69 | |
| 70 | config S3C2410_PM_DEBUG |
| 71 | bool "S3C2410 PM Suspend debug" |
| 72 | depends on PLAT_S3C && PM |
| 73 | help |
| 74 | Say Y here if you want verbose debugging from the PM Suspend and |
| 75 | Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| 76 | for more information. |
| 77 | |
| 78 | config S3C2410_PM_CHECK |
| 79 | bool "S3C2410 PM Suspend Memory CRC" |
| 80 | depends on PLAT_S3C && PM && CRC32 |
| 81 | help |
| 82 | Enable the PM code's memory area checksum over sleep. This option |
| 83 | will generate CRCs of all blocks of memory, and store them before |
| 84 | going to sleep. The blocks are then checked on resume for any |
| 85 | errors. |
| 86 | |
| 87 | Note, this can take several seconds depending on memory size |
| 88 | and CPU speed. |
| 89 | |
| 90 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| 91 | |
| 92 | config S3C2410_PM_CHECK_CHUNKSIZE |
| 93 | int "S3C2410 PM Suspend CRC Chunksize (KiB)" |
| 94 | depends on PLAT_S3C && PM && S3C2410_PM_CHECK |
| 95 | default 64 |
| 96 | help |
| 97 | Set the chunksize in Kilobytes of the CRC for checking memory |
| 98 | corruption over suspend and resume. A smaller value will mean that |
| 99 | the CRC data block will take more memory, but wil identify any |
| 100 | faults with better precision. |
| 101 | |
| 102 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| 103 | |
| Ben Dooks | c765784 | 2007-07-22 16:11:20 +0100 | [diff] [blame] | 104 | config S3C_LOWLEVEL_UART_PORT |
| 105 | int "S3C UART to use for low-level messages" |
| Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 106 | depends on PLAT_S3C |
| 107 | default 0 |
| 108 | help |
| 109 | Choice of which UART port to use for the low-level messages, |
| 110 | such as the `Uncompressing...` at start time. The value of |
| 111 | this configuration should be between zero and two. The port |
| 112 | must have been initialised by the boot-loader before use. |